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Finding the Fourth Proportional to 9,613.16, 14,421.46 and 6,623.80

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Solution

The fourth proportional to 9,613.16, 14,421.46 and 6,623.80 is: 9,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.16 : 14,421.46 = 6,623.80 : x
  2. Step 2: Convert to fraction form
    9,613.16/14,421.46 = 6,623.80/x
  3. Step 3: Cross multiply
    9,613.16x = 14,421.46 × 6,623.80
  4. Step 4: Simplify right side
    9,613.16x = 95,524,866.75
  5. Step 5: Solve for x
    x = 95,524,866.75/9,613.16
  6. Step 6: Final answer
    x = 9,936.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.